ASASSN-16em

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Information

Transient

Name: ASASSN-16em
Right ascension: 13h32m13.56s
Declination: 84d40m41.96s
Discovery Date: None
Classification: SN Ia
Redshift: 0.023900
MW E(B-V): 0.117

Host

Name: ASASSN-16em
Right ascension: 13h32m13.49s
Declination: 84d40m42.69s
Redshift: None
Photometric Redshift: 0.033
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.02
Cutout download processed 2.49
Global aperture construction processed 0.58
Local aperture photometry processed 3.24
Global aperture photometry processed 3.49
Validate local photometry processed 0.02
Validate global photometry processed 10.71
Host information processed 0.12
Global host SED inference processed 442.67
Local host SED inference processed None
Transient information processed 0.0
Transient MWEBV processed 0.03
Host MWEBV processed 0.03
Log transient processing status processed None
 

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 13h32m13.56s, 84d40m41.96s
semi major axis, semi minor axis (arcsec) = 4.15, 4.15
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 198.01 1.51 18.158 0.008 AB
PanSTARRS_r 343.1 2.09 17.561 0.007 AB
PanSTARRS_i 428.75 1.85 17.319 0.005 AB
PanSTARRS_z 513.39 4.42 17.124 0.009 AB
PanSTARRS_y 585.38 8.4 16.981 0.016 AB
2MASS_J 662.6 91.78 15.952 0.150 Vega
2MASS_H 744.49 152.4 15.353 0.222 Vega
2MASS_K 518.23 165.18 15.276 0.346 Vega

Aperture details

RA, DEC (J2000) = 13h32m13.30s, 84d40m42.75s
semi major axis, semi minor axis (arcsec) = 7.46, 3.99
angle (degrees, anti-clockwise from east) = -1.36

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 229.02 1.97 18.000 0.009 AB
PanSTARRS_r 396.51 2.67 17.404 0.007 AB
PanSTARRS_i 500.52 2.33 17.151 0.005 AB
PanSTARRS_z 590.19 5.53 16.973 0.010 AB
PanSTARRS_y 676.85 10.44 16.824 0.017 AB
2MASS_J 867.66 156.82 15.659 0.196 Vega
2MASS_H 1063.23 257.08 14.966 0.263 Vega
2MASS_K 1040.04 282.86 14.520 0.295 Vega
WISE_W1 413.51 12.59 14.660 0.033 Vega
WISE_W2 283.46 15.55 14.430 0.060 Vega
WISE_W3 403.43 61.72 12.212 0.166 Vega
WISE_W4 -187.52 302.03 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.914 9.068 9.195
{\rm log}_{10}({\rm SFR}) -1.632 -1.040 -0.621
{\rm log}_{10}({\rm sSFR}) -10.744 -10.091 -9.615
{\rm stellar\ age} 4.750 6.981 8.687

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.444 -0.997 -0.663
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.875 -1.607 -0.332

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.216 0.458 0.704
\delta -0.615 -0.219 0.197
\tau_1/\tau_2 0.693 1.020 1.382
Q_{PAH} 0.771 2.340 4.574
U_{min} 2.948 7.700 14.618
{\rm log}_{10}(\gamma_e)\, -3.259 -1.980 -1.012

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.294 -3.109 -1.117
{\rm log}_{10}(\tau_{AGN})\, 0.905 1.354 1.859

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.592 -1.130 -0.832
0.03-0.10 Gyr -1.887 -1.034 -0.536
0.10-0.33 Gyr -1.848 -0.949 -0.508
0.33-1.10 Gyr -1.699 -1.016 -0.602
1.10-3.65 Gyr -1.598 -0.976 -0.689
3.65-12.09 Gyr -1.402 -0.904 -0.683
12.09-13.44 Gyr -1.508 -0.829 -0.261

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.044 9.140 9.237
{\rm log}_{10}({\rm SFR}) -1.848 -1.338 -0.974
{\rm log}_{10}({\rm sSFR}) -11.004 -10.505 -10.093
{\rm stellar\ age} 6.262 7.604 9.050

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.107 -0.834 -0.618
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.784 -1.067 0.254

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.100 0.210 0.357
\delta -0.615 -0.149 0.228
\tau_1/\tau_2 0.636 0.956 1.303
Q_{PAH} 0.629 1.480 3.152
U_{min} 2.726 7.336 14.103
{\rm log}_{10}(\gamma_e)\, -3.334 -2.630 -1.740

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.251 -1.990 -1.533
{\rm log}_{10}(\tau_{AGN})\, 0.933 1.252 1.673

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.771 -1.335 -1.056
0.03-0.10 Gyr -2.238 -1.379 -0.899
0.10-0.33 Gyr -2.198 -1.300 -0.828
0.33-1.10 Gyr -2.072 -1.285 -0.893
1.10-3.65 Gyr -1.509 -0.972 -0.663
3.65-12.09 Gyr -1.030 -0.760 -0.586
12.09-13.44 Gyr -1.289 -0.689 -0.118